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Cheap flights from Boston to New York from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to New York departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
10:07 am - 10:05 am
BOS
-
ISP
23h 58m
1 stop
Multiple Airlines Logo
11:00 am - 9:42 pm
ISP
-
BOS
10h 42m
1 stop
$190Multiple Airlines
Tue, May 12 - Sat, May 16
Multiple Airlines Logo
9:20 am - 10:05 am
BOS
-
ISP
24h 45m
1 stop
Multiple Airlines Logo
11:57 am - 9:42 pm
ISP
-
BOS
9h 45m
2 stops
$241Multiple Airlines
Tue, May 12 - Sat, May 16
Multiple Airlines Logo
10:07 am - 10:05 am
BOS
-
ISP
23h 58m
1 stop
Multiple Airlines Logo
11:57 am - 9:12 am
ISP
-
BOS
21h 15m
2 stops
$254Multiple Airlines
Tue, May 12 - Sat, May 16
Multiple Airlines Logo
9:12 am - 10:05 am
BOS
-
ISP
48h 53m
2 stops
Multiple Airlines Logo
5:27 pm - 11:06 am
ISP
-
BOS
17h 39m
1 stop
$263Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
7:00 am - 11:00 am
BOS
-
ISP
28h 00m
1 stop
Multiple Airlines Logo
11:00 am - 9:12 am
ISP
-
BOS
22h 12m
1 stop
$269Multiple Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
7:00 am - 11:00 am
BOS
-
ISP
28h 00m
1 stop
Multiple Airlines Logo
2:28 pm - 1:24 am
ISP
-
BOS
34h 56m
2 stops
$287Multiple Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
5:45 am - 10:05 am
BOS
-
ISP
28h 20m
2 stops
Multiple Airlines Logo
11:00 am - 8:00 pm
ISP
-
BOS
9h 00m
1 stop
$306Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
9:20 am - 10:05 am
BOS
-
ISP
24h 45m
1 stop
Multiple Airlines Logo
5:27 pm - 11:06 am
ISP
-
BOS
17h 39m
1 stop
$324Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
9:20 am - 10:05 am
BOS
-
ISP
24h 45m
1 stop
Multiple Airlines Logo
11:00 am - 8:00 pm
ISP
-
BOS
9h 00m
1 stop
$331Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
7:00 am - 10:05 am
BOS
-
ISP
27h 05m
1 stop
Multiple Airlines Logo
7:49 pm - 7:52 am
ISP
-
BOS
36h 03m
2 stops
$339Multiple Airlines
Sat, Jun 6 - Sun, Jun 21

Southwest flights from Boston to Islip, New York

Our best Southwest deals on Boston to Islip, New York flight tickets
Southwest
May 29
BOS4:45 pmBoston Logan Intl
6h 45m
1 stop
ISP11:30 pmIslip Long Island
May 31
ISP6:05 amIslip Long Island
3h 50m
1 stop
BOS9:55 amBoston Logan Intl
$347
Southwest
Jun 30
BOS11:35 amBoston Logan Intl
4h 25m
1 stop
ISP4:00 pmIslip Long Island
Jul 8
ISP6:00 amIslip Long Island
12h 00m
2 stops
BOS6:00 pmBoston Logan Intl
$352
Southwest
Jun 30
BOS5:35 amBoston Logan Intl
10h 25m
2 stops
ISP4:00 pmIslip Long Island
Jul 8
ISP6:00 amIslip Long Island
12h 00m
2 stops
BOS6:00 pmBoston Logan Intl
$357

Cape Air flights from Boston to Islip, New York

Our best Cape Air deals on Boston to Islip, New York flight tickets
Cape Air
Jun 30
BOS9:30 amBoston Logan Intl
1h 35m
ISP11:05 amIslip Long Island
Jul 8
ISP7:25 amIslip Long Island
1h 34m
BOS8:59 amBoston Logan Intl
$499
Cape Air
May 9
BOS9:30 amBoston Logan Intl
1h 35m
ISP11:05 amIslip Long Island
May 10
ISP7:25 amIslip Long Island
1h 34m
BOS8:59 amBoston Logan Intl
$500
Cape Air
May 31
BOS6:19 pmBoston Logan Intl
1h 26m
ISP7:45 pmIslip Long Island
Jun 2
ISP7:25 amIslip Long Island
1h 34m
BOS8:59 amBoston Logan Intl
$501

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Boston to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 5/12

10:07 am-10:05 am

1 stop23h 58m

Islip Long Island

Sat 5/16

11:00 am-9:42 pm

1 stop10h 42m

$190

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 5/12

9:20 am-10:05 am

1 stop24h 45m

Islip Long Island

Sat 5/16

11:57 am-9:42 pm

2 stops9h 45m

$241

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 5/12

10:07 am-10:05 am

1 stop23h 58m

Islip Long Island

Sat 5/16

11:57 am-9:12 am

2 stops21h 15m

$254

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 5/26

9:12 am-10:05 am

2 stops48h 53m

Islip Long Island

Tue 6/2

5:27 pm-11:06 am

1 stop17h 39m

$263

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Mon 5/11

7:00 am-11:00 am

1 stop28h 00m

Islip Long Island

Mon 5/18

11:00 am-9:12 am

1 stop22h 12m

$269

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Mon 5/11

7:00 am-11:00 am

1 stop28h 00m

Islip Long Island

Mon 5/18

2:28 pm-1:24 am

2 stops34h 56m

$287

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 5/27

5:45 am-10:05 am

2 stops28h 20m

Islip Long Island

Wed 6/3

11:00 am-8:00 pm

1 stop9h 00m

$306

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 5/26

9:20 am-10:05 am

1 stop24h 45m

Islip Long Island

Tue 6/2

5:27 pm-11:06 am

1 stop17h 39m

$324
Quickest round-trip

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 5/27

9:20 am-10:05 am

1 stop24h 45m

Islip Long Island

Wed 6/3

11:00 am-8:00 pm

1 stop9h 00m

$331

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Sat 6/6

7:00 am-10:05 am

1 stop27h 05m

Islip Long Island

Sun 6/21

7:49 pm-7:52 am

2 stops36h 03m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to New York from

How to get the cheapest flight ticket from Boston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Islip, New York?

What is the cheapest month to fly to Islip, New York?

The month of June is, on average, the cheapest month to fly to Islip, New York from Boston, with most prices found around $323. If you aren’t able to travel to Islip, New York during the month of June, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $475.

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Boston to Islip, New York is on a Thursday. Travelers who choose to depart for Islip, New York on a Thursday will often find tickets for as low as $503. The most expensive day to fly to Islip, New York is Sunday, with ticket prices averaging around $628.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $520 when looking at flights departing in the morning. Flights to Islip, New York are more costly in the evening, with an average ticket price of $1,177. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Islip Long Island flight route?

Fly from Boston Logan Intl to Islip Long Island for the best Boston Logan Intl - Islip Long Island flight prices

Can stopping save me money on Boston to Islip, New York flights?

You could potentially save up to 48% on your flight if you consider stops on a Boston to Islip, New York flight.

When to book flights from Boston to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Islip, New York (BOS to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Islip, New York

Fastest flight time

1h 26m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Islip, New York

1 airport
The fastest flight from Boston to Islip, New York takes 1h 26m
Direct flights go from Boston to Islip, New York on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Cape Air.
There is 1 airport in Islip, New York. From Boston there are direct flights to Islip Long Island (ISP).
Search flight deals

Frequently asked questions about flying from Boston to Islip, New York

  • How far is Boston Logan Intl to Islip Long Island by plane?

    There are 158.2 mi between Boston Logan Intl and Islip Long Island. A reasonable flight in good conditions will take 1h 26m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Islip Long Island Airport?

    Prices for flights from Boston Logan Intl Airport to Islip Long Island Airport refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Islip Long Island Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Islip Long Island Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Islip, New York?

  • What is the most popular airline from Boston to Islip, New York?

Best airlines flying from Boston to Islip, New York

Compare and see reviews for airlines that fly from Boston to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
Cape AirPriceFrom $455Free CancellationRating
9.3
33 reviews
Search Cape Air flights

  • Cape Air Flights From Boston to Islip, New York

    Cape Air flies from Boston to Islip, New York around 21 times per week, with 33 momondo users rating the airline 9.3/10. The cheapest Cape Air deal from Boston to Islip, New York in the last 72 hours was $455 (round-trip), much lower than the average airfare cost of $562 for Cape Air flights on this route.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Islip?

Finding the right flight to Islip from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Boston to Islip with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Islip flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Islip?

momondo helps you find the best flight between Boston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Islip right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Islip, New York trip

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